18=4(b+3)-2b

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Solution for 18=4(b+3)-2b equation:


Simplifying
18 = 4(b + 3) + -2b

Reorder the terms:
18 = 4(3 + b) + -2b
18 = (3 * 4 + b * 4) + -2b
18 = (12 + 4b) + -2b

Combine like terms: 4b + -2b = 2b
18 = 12 + 2b

Solving
18 = 12 + 2b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-2b' to each side of the equation.
18 + -2b = 12 + 2b + -2b

Combine like terms: 2b + -2b = 0
18 + -2b = 12 + 0
18 + -2b = 12

Add '-18' to each side of the equation.
18 + -18 + -2b = 12 + -18

Combine like terms: 18 + -18 = 0
0 + -2b = 12 + -18
-2b = 12 + -18

Combine like terms: 12 + -18 = -6
-2b = -6

Divide each side by '-2'.
b = 3

Simplifying
b = 3

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